langtools/src/jdk.compiler/share/classes/com/sun/tools/javac/file/ZipArchive.java
--- a/langtools/src/jdk.compiler/share/classes/com/sun/tools/javac/file/ZipArchive.java Thu Dec 10 08:17:12 2015 -0800
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,290 +0,0 @@
-/*
- * Copyright (c) 2005, 2015, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation. Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-package com.sun.tools.javac.file;
-
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
-import java.io.Writer;
-import java.lang.ref.Reference;
-import java.lang.ref.SoftReference;
-import java.net.URI;
-import java.nio.ByteBuffer;
-import java.nio.CharBuffer;
-import java.nio.charset.CharsetDecoder;
-import java.nio.file.Path;
-import java.nio.file.Paths;
-import java.util.Enumeration;
-import java.util.HashMap;
-import java.util.Map;
-import java.util.Objects;
-import java.util.Set;
-import java.util.zip.ZipEntry;
-import java.util.zip.ZipFile;
-
-import javax.tools.JavaFileObject;
-
-import com.sun.tools.javac.file.JavacFileManager.Archive;
-import com.sun.tools.javac.file.RelativePath.RelativeDirectory;
-import com.sun.tools.javac.file.RelativePath.RelativeFile;
-import com.sun.tools.javac.util.DefinedBy;
-import com.sun.tools.javac.util.DefinedBy.Api;
-import com.sun.tools.javac.util.List;
-
-/**
- * <p><b>This is NOT part of any supported API.
- * If you write code that depends on this, you do so at your own risk.
- * This code and its internal interfaces are subject to change or
- * deletion without notice.</b>
- */
-public class ZipArchive implements Archive {
-
- public ZipArchive(JavacFileManager fm, ZipFile zfile) throws IOException {
- this(fm, zfile, true);
- }
-
- protected ZipArchive(JavacFileManager fm, ZipFile zfile, boolean initMap) throws IOException {
- this.fileManager = fm;
- this.zfile = zfile;
- this.map = new HashMap<>();
- if (initMap)
- initMap();
- }
-
- protected void initMap() throws IOException {
- for (Enumeration<? extends ZipEntry> e = zfile.entries(); e.hasMoreElements(); ) {
- ZipEntry entry;
- try {
- entry = e.nextElement();
- } catch (InternalError ex) {
- IOException io = new IOException();
- io.initCause(ex); // convenience constructors added in Mustang :-(
- throw io;
- }
- addZipEntry(entry);
- }
- }
-
- void addZipEntry(ZipEntry entry) {
- String name = entry.getName();
- int i = name.lastIndexOf('/');
- RelativeDirectory dirname = new RelativeDirectory(name.substring(0, i+1));
- String basename = name.substring(i+1);
- if (basename.length() == 0)
- return;
- List<String> list = map.get(dirname);
- if (list == null)
- list = List.nil();
- list = list.prepend(basename);
- map.put(dirname, list);
- }
-
- public boolean contains(RelativePath name) {
- RelativeDirectory dirname = name.dirname();
- String basename = name.basename();
- if (basename.length() == 0)
- return false;
- List<String> list = map.get(dirname);
- return (list != null && list.contains(basename));
- }
-
- public List<String> getFiles(RelativeDirectory subdirectory) {
- return map.get(subdirectory);
- }
-
- public JavaFileObject getFileObject(RelativeDirectory subdirectory, String file) {
- ZipEntry ze = new RelativeFile(subdirectory, file).getZipEntry(zfile);
- return new ZipFileObject(this, file, ze);
- }
-
- public Set<RelativeDirectory> getSubdirectories() {
- return map.keySet();
- }
-
- public void close() throws IOException {
- zfile.close();
- }
-
- @Override
- public String toString() {
- return "ZipArchive[" + zfile.getName() + "]";
- }
-
- private Path getAbsoluteFile() {
- Path absFile = (absFileRef == null ? null : absFileRef.get());
- if (absFile == null) {
- absFile = Paths.get(zfile.getName()).toAbsolutePath();
- absFileRef = new SoftReference<>(absFile);
- }
- return absFile;
- }
-
- /**
- * The file manager that created this archive.
- */
- protected JavacFileManager fileManager;
- /**
- * The index for the contents of this archive.
- */
- protected final Map<RelativeDirectory,List<String>> map;
- /**
- * The zip file for the archive.
- */
- protected final ZipFile zfile;
- /**
- * A reference to the absolute filename for the zip file for the archive.
- */
- protected Reference<Path> absFileRef;
-
- /**
- * A subclass of JavaFileObject representing zip entries.
- */
- public static class ZipFileObject extends BaseFileObject {
-
- private String name;
- ZipArchive zarch;
- ZipEntry entry;
-
- protected ZipFileObject(ZipArchive zarch, String name, ZipEntry entry) {
- super(zarch.fileManager);
- this.zarch = zarch;
- this.name = name;
- this.entry = entry;
- }
-
- @DefinedBy(Api.COMPILER)
- public URI toUri() {
- Path zipFile = Paths.get(zarch.zfile.getName());
- return createJarUri(zipFile, entry.getName());
- }
-
- @Override @DefinedBy(Api.COMPILER)
- public String getName() {
- return zarch.zfile.getName() + "(" + entry.getName() + ")";
- }
-
- @Override
- public String getShortName() {
- return Paths.get(zarch.zfile.getName()).getFileName() + "(" + entry + ")";
- }
-
- @Override @DefinedBy(Api.COMPILER)
- public JavaFileObject.Kind getKind() {
- return getKind(entry.getName());
- }
-
- @Override @DefinedBy(Api.COMPILER)
- public InputStream openInputStream() throws IOException {
- return zarch.zfile.getInputStream(entry);
- }
-
- @Override @DefinedBy(Api.COMPILER)
- public OutputStream openOutputStream() throws IOException {
- throw new UnsupportedOperationException();
- }
-
- @Override @DefinedBy(Api.COMPILER)
- public CharBuffer getCharContent(boolean ignoreEncodingErrors) throws IOException {
- CharBuffer cb = fileManager.getCachedContent(this);
- if (cb == null) {
- try (InputStream in = zarch.zfile.getInputStream(entry)) {
- ByteBuffer bb = fileManager.makeByteBuffer(in);
- JavaFileObject prev = fileManager.log.useSource(this);
- try {
- cb = fileManager.decode(bb, ignoreEncodingErrors);
- } finally {
- fileManager.log.useSource(prev);
- }
- fileManager.recycleByteBuffer(bb);
- if (!ignoreEncodingErrors) {
- fileManager.cache(this, cb);
- }
- }
- }
- return cb;
- }
-
- @Override @DefinedBy(Api.COMPILER)
- public Writer openWriter() throws IOException {
- throw new UnsupportedOperationException();
- }
-
- @Override @DefinedBy(Api.COMPILER)
- public long getLastModified() {
- return entry.getTime();
- }
-
- @Override @DefinedBy(Api.COMPILER)
- public boolean delete() {
- throw new UnsupportedOperationException();
- }
-
- @Override
- protected CharsetDecoder getDecoder(boolean ignoreEncodingErrors) {
- return fileManager.getDecoder(fileManager.getEncodingName(), ignoreEncodingErrors);
- }
-
- @Override
- protected String inferBinaryName(Iterable<? extends Path> path) {
- String entryName = entry.getName();
- return removeExtension(entryName).replace('/', '.');
- }
-
- @Override @DefinedBy(Api.COMPILER)
- public boolean isNameCompatible(String cn, JavaFileObject.Kind k) {
- Objects.requireNonNull(cn);
- // null check
- if (k == Kind.OTHER && getKind() != k) {
- return false;
- }
- return name.equals(cn + k.extension);
- }
-
- /**
- * Check if two file objects are equal.
- * Two ZipFileObjects are equal if the absolute paths of the underlying
- * zip files are equal and if the paths within those zip files are equal.
- */
- @Override
- public boolean equals(Object other) {
- if (this == other)
- return true;
-
- if (!(other instanceof ZipFileObject))
- return false;
-
- ZipFileObject o = (ZipFileObject) other;
- return zarch.getAbsoluteFile().equals(o.zarch.getAbsoluteFile())
- && entry.getName().equals(o.entry.getName());
- }
-
- @Override
- public int hashCode() {
- return zarch.getAbsoluteFile().hashCode() + entry.getName().hashCode();
- }
- }
-
-}